| Valeur | Modalité | Cas | |
|---|---|---|---|
| 0 | Indéterminé | 6 |
0.2%
|
| 65 | 1965 | 10 |
0.4%
|
| 66 | 1966 | 10 |
0.4%
|
| 67 | 1967 | 16 |
0.6%
|
| 68 | 1968 | 48 |
1.7%
|
| 69 | 1969 | 58 |
2.1%
|
| 70 | 1970 | 101 |
3.7%
|
| 71 | 1971 | 76 |
2.8%
|
| 72 | 1972 | 122 |
4.4%
|
| 73 | 1973 | 139 |
5%
|
| 74 | 1974 | 133 |
4.8%
|
| 75 | 1975 | 171 |
6.2%
|
| 76 | 1976 | 197 |
7.1%
|
| 77 | 1977 | 71 |
2.6%
|
| 79 | 1979 | 1 |
0%
|
| Sysmiss | 1599 |